Table 2 Weak scaling performance on Titan with \(\pmb{4.7\times10^{8}}\) particles per node
From: PKDGRAV3: beyond trillion particle cosmological simulations for the next era of galaxy surveys
Nodes | \(\boldsymbol{N_{p}}\) | Mpc | Time (secs) | Science Rate 1 |
|---|---|---|---|---|
2 | 1.0 × 109 | 250 | 124.9 | 4.00 × 106 |
17 | 8.0 × 109 | 500 | 117.4 | 4.02 × 106 |
136 | 6.4 × 1010 | 1,000 | 117.9 | 3.98 × 106 |
266 | 1.3 × 1011 | 1,250 | 125.1 | 3.76 × 106 |
2,125 | 1.0 × 1012 | 2,500 | 124.0 | 3.79 × 106 |
7,172 | 3.4 × 1012 | 3,750 | 123.2 | 3.82 × 106 |
11,390 | 5.4 × 1012 | 4,375 | 126.6 | 3.72 × 106 |
18,000 | 8.0 × 1012 | 5,000 | 120.1 | 3.70 × 106 |